# a=0
# b=1
# while b<=100:
#     a+=b
#     b+=1
# print(a)

# a=0
# b=1
# while b<=100:
#     if b%2==0:
#         a+=b
#     b+=1
# print(a)

# a=1
# while a<=3:
#
#     b = 1
#     while b<=3:
#         print(f"第{a}天打扫第{b}次卫生")
#         b+=1;
#     a+=1;

# a=0
# while a<5:
#     print("*",end="")
#     a+=1
#     b = 0
#     while b<5:
#         print("*",end="")
#         b+=1
#     print("")

# a = 1;
# while a < 10:
#     b = 1
#     while b <= a:
#         print(f"{b}*{a}={b*a}",end="\t")
#         b+=1
#     print()
#     a+=1

a = 1;
while a < 10:
    b = 1
    while b <= a:
        print(f"{b}*{a}={a * b}", end="\t")
        b += 1;
    print()
    a += 1